/Engine/Plugins/Runtime/AR/Google/GoogleARCore/Source/GoogleARCoreBase/Public/GoogleARCoreTypes.h
Describes which channel ARLineTrace will be performed on.
enum EGoogleARCoreLineTraceChannel { None = 0, FeaturePoint = 1, InfinitePlane = 2, PlaneUsingExtent = 4, PlaneUsingBoundaryPolygon = 8, FeaturePointWithSurfaceNormal = 16, AugmentedImage = 32, }